please derive the formulae for dot and cross products for vectors rightwards arrow for P of space =ai+bj+ck and  rightwards arrow for Q of =di+ej+fk step by step because it is becoming difficult for me to understand dot and cross products. 

Asked by damarlasumanjali | 20th Sep, 2014, 05:44: PM

Expert Answer:

Answered by Romal Bhansali | 21st Sep, 2014, 06:28: PM